or disabled

the fill cap should be removed prior to measurement

easy handling

Temperature — monitor root zone temp fluctuations that affect EC readings and root health

Debris-resistant: Positioned flat on the bottom

Bluelab pH Probe 5M Milwaukee MA831R or disabledDependable double junction pH probe technology that's built to last. Longer cable. Available with a 5 metre 16 foot cable for measuring in hard to reach locations and improved cable routing. Suitable for solution. Compatible with all Bluelab handheld meters, monitors and controllers with a BNC connection. Features: Double junction Standard BNC connector 5 metre 16 foot cable Polycarbonate body Waterproof Probe holder with suction cup KCl filled